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Finding the Fourth Proportional to 50,650.50, 69,895.64 and 29,428.08

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Solution

The fourth proportional to 50,650.50, 69,895.64 and 29,428.08 is: 40,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.50 : 69,895.64 = 29,428.08 : x
  2. Step 2: Convert to fraction form
    50,650.50/69,895.64 = 29,428.08/x
  3. Step 3: Cross multiply
    50,650.50x = 69,895.64 × 29,428.08
  4. Step 4: Simplify right side
    50,650.50x = 2,056,894,485.57
  5. Step 5: Solve for x
    x = 2,056,894,485.57/50,650.50
  6. Step 6: Final answer
    x = 40,609.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.